A059680 - OEIS

A059680 as a simple table

n	a(n)
4	1
5	0
6	12
7	0
8	18
9	50
10	0
11	8
12	154
13	120
14	0
15	1
16	212
17	584
18	230
19	0
20	0
21	158
22	1396
23	1526
24	388
25	0
26	0
27	62
28	2038
29	5154
30	3276
31	602
32	0
33	0
34	12
35	1952
36	11328
37	14192
38	6194
39	880
40	0
41	0
42	1
43	1232
44	17598
45	41196
46	32824
47	10704
48	1230
49	0
50	0
51	0
52	488
53	19912
54	87980
55	117616
56	67284
57	17294
58	1660

[1,0,12,0,18,50,0,8,154,120,0,1,212,584,230,0,0, 158,1396,1526,388,0,0,62,2038,5154,3276,602,0,0, 12,1952,11328,14192,6194,880,0,0,1,1232,17598, 41196,32824,10704,1230,0,0,0,488,19912,87980, 117616,67284,17294,1660]